215380480

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 240

約数和(自身を含む): 642353976

約数和(自身を除く): 426973496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 101, 112, 119, 128, 136, 140, 160, 170, 196, 202, 224, 238, 245, 256, 272, 280, 320, 340, 392, 404, 448, 476, 490, 505, 512, 544, 560, 595, 640, 680, 707, 784, 808, 833, 896, 952, 980, 1010, 1088, 1120, 1190, 1280, 1360, 1414, 1568, 1616, 1666, 1717, 1792, 1904, 1960, 2020, 2176, 2240, 2380, 2560, 2720, 2828, 3136, 3232, 3332, 3434, 3535, 3584, 3808, 3920, 4040, 4165, 4352, 4480, 4760, 4949, 5440, 5656, 6272, 6464, 6664, 6868, 7070, 7616, 7840, 8080, 8330, 8585, 8704, 8960, 9520, 9898, 10880, 11312, 12019, 12544, 12928, 13328, 13736, 14140, 15232, 15680, 16160, 16660, 17170, 17920, 19040, 19796, 21760, 22624, 24038, 24745, 25088, 25856, 26656, 27472, 28280, 30464, 31360, 32320, 33320, 34340, 38080, 39592, 43520, 45248, 48076, 49490, 51712, 53312, 54944, 56560, 60095, 60928, 62720, 64640, 66640, 68680, 76160, 79184, 84133, 90496, 96152, 98980, 106624, 109888, 113120, 120190, 125440, 129280, 133280, 137360, 152320, 158368, 168266, 180992, 192304, 197960, 213248, 219776, 226240, 240380, 258560, 266560, 274720, 304640, 316736, 336532, 361984, 384608, 395920, 420665, 426496, 439552, 452480, 480760, 533120, 549440, 633472, 673064, 769216, 791840, 841330, 879104, 904960, 961520, 1066240, 1098880, 1266944, 1346128, 1538432, 1583680, 1682660, 1809920, 1923040, 2132480, 2197760, 2533888, 2692256, 3076864, 3167360, 3365320, 3846080, 4395520, 5384512, 6153728, 6334720, 6730640, 7692160, 10769024, 12669440, 13461280, 15384320, 21538048, 26922560, 30768640, 43076096, 53845120, 107690240, 215380480]

約数ペア:

[(1, 215380480), (2, 107690240), (4, 53845120), (5, 43076096), (7, 30768640), (8, 26922560), (10, 21538048), (14, 15384320), (16, 13461280), (17, 12669440), (20, 10769024), (28, 7692160), (32, 6730640), (34, 6334720), (35, 6153728), (40, 5384512), (49, 4395520), (56, 3846080), (64, 3365320), (68, 3167360), (70, 3076864), (80, 2692256), (85, 2533888), (98, 2197760), (101, 2132480), (112, 1923040), (119, 1809920), (128, 1682660), (136, 1583680), (140, 1538432), (160, 1346128), (170, 1266944), (196, 1098880), (202, 1066240), (224, 961520), (238, 904960), (245, 879104), (256, 841330), (272, 791840), (280, 769216), (320, 673064), (340, 633472), (392, 549440), (404, 533120), (448, 480760), (476, 452480), (490, 439552), (505, 426496), (512, 420665), (544, 395920), (560, 384608), (595, 361984), (640, 336532), (680, 316736), (707, 304640), (784, 274720), (808, 266560), (833, 258560), (896, 240380), (952, 226240), (980, 219776), (1010, 213248), (1088, 197960), (1120, 192304), (1190, 180992), (1280, 168266), (1360, 158368), (1414, 152320), (1568, 137360), (1616, 133280), (1666, 129280), (1717, 125440), (1792, 120190), (1904, 113120), (1960, 109888), (2020, 106624), (2176, 98980), (2240, 96152), (2380, 90496), (2560, 84133), (2720, 79184), (2828, 76160), (3136, 68680), (3232, 66640), (3332, 64640), (3434, 62720), (3535, 60928), (3584, 60095), (3808, 56560), (3920, 54944), (4040, 53312), (4165, 51712), (4352, 49490), (4480, 48076), (4760, 45248), (4949, 43520), (5440, 39592), (5656, 38080), (6272, 34340), (6464, 33320), (6664, 32320), (6868, 31360), (7070, 30464), (7616, 28280), (7840, 27472), (8080, 26656), (8330, 25856), (8585, 25088), (8704, 24745), (8960, 24038), (9520, 22624), (9898, 21760), (10880, 19796), (11312, 19040), (12019, 17920), (12544, 17170), (12928, 16660), (13328, 16160), (13736, 15680), (14140, 15232)]